mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/base/base.h
..
..
@@ -1,4 +1,15 @@
1
1
 /* SPDX-License-Identifier: GPL-2.0 */
2
+/*
3
+ * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
4
+ * Copyright (c) 2004-2009 Greg Kroah-Hartman <gregkh@suse.de>
5
+ * Copyright (c) 2008-2012 Novell Inc.
6
+ * Copyright (c) 2012-2019 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7
+ * Copyright (c) 2012-2019 Linux Foundation
8
+ *
9
+ * Core driver model functions and structures that should not be
10
+ * shared outside of the drivers/base/ directory.
11
+ *
12
+ */
2
13
 #include <linux/notifier.h>
3
14
 
4
15
 /**
..
..
@@ -60,6 +71,7 @@
60
71
  * @knode_parent - node in sibling list
61
72
  * @knode_driver - node in driver list
62
73
  * @knode_bus - node in bus list
74
+ * @knode_class - node in class list
63
75
  * @deferred_probe - entry in deferred_probe_list which is used to retry the
64
76
  *	binding of drivers which were unable to get all the resources needed by
65
77
  *	the device; typically because it depends on another driver getting
..
..
@@ -78,8 +90,10 @@
78
90
 	struct klist_node knode_parent;
79
91
 	struct klist_node knode_driver;
80
92
 	struct klist_node knode_bus;
93
+	struct klist_node knode_class;
81
94
 	struct list_head deferred_probe;
82
95
 	struct device_driver *async_driver;
96
+	char *deferred_probe_reason;
83
97
 	struct device *device;
84
98
 	u8 dead:1;
85
99
 };
..
..
@@ -89,6 +103,8 @@
89
103
 	container_of(obj, struct device_private, knode_driver)
90
104
 #define to_device_private_bus(obj)	\
91
105
 	container_of(obj, struct device_private, knode_bus)
106
+#define to_device_private_class(obj)	\
107
+	container_of(obj, struct device_private, knode_class)
92
108
 
93
109
 /* initialisation functions */
94
110
 extern int devices_init(void);
..
..
@@ -119,6 +135,8 @@
119
135
 extern void driver_detach(struct device_driver *drv);
120
136
 extern int driver_probe_device(struct device_driver *drv, struct device *dev);
121
137
 extern void driver_deferred_probe_del(struct device *dev);
138
+extern void device_set_deferred_probe_reason(const struct device *dev,
139
+					     struct va_format *vaf);
122
140
 static inline int driver_match_device(struct device_driver *drv,
123
141
 				      struct device *dev)
124
142
 {
..
..
@@ -161,6 +179,7 @@
161
179
 /* Device links support */
162
180
 extern int device_links_read_lock(void);
163
181
 extern void device_links_read_unlock(int idx);
182
+extern int device_links_read_lock_held(void);
164
183
 extern int device_links_check_suppliers(struct device *dev);
165
184
 extern void device_links_driver_bound(struct device *dev);
166
185
 extern void device_links_driver_cleanup(struct device *dev);
..
..
@@ -170,3 +189,11 @@
170
189
 
171
190
 /* device pm support */
172
191
 void device_pm_move_to_tail(struct device *dev);
192
+
193
+#ifdef CONFIG_DEVTMPFS
194
+int devtmpfs_create_node(struct device *dev);
195
+int devtmpfs_delete_node(struct device *dev);
196
+#else
197
+static inline int devtmpfs_create_node(struct device *dev) { return 0; }
198
+static inline int devtmpfs_delete_node(struct device *dev) { return 0; }
199
+#endif